Knockout Bracket with Byes: How Many, and Where to Put Them
A knockout halves the field every round, so it only fits perfectly when you have 2, 4, 8, 16 or 32 teams. With 6 or 11 teams, some teams skip round one with a bye so that round two starts with a power of two.
The bye formula
Let P be the smallest power of two that is at least n (your team count). The number of byes is P − n. Round one has n − P/2 matches, and exactly P/2 teams remain after it.
Whatever the team count, a single-elimination bracket always has n − 1 matches in total: each match eliminates one team, and every team except the champion is eliminated once.
| Teams | Bracket size | Byes | Round 1 matches | Total matches |
|---|---|---|---|---|
| 5 | 8 | 3 | 1 | 4 |
| 6 | 8 | 2 | 2 | 5 |
| 7 | 8 | 1 | 3 | 6 |
| 10 | 16 | 6 | 2 | 9 |
| 12 | 16 | 4 | 4 | 11 |
| 20 | 32 | 12 | 4 | 19 |
Who gets the byes?
A bye is effectively one fewer match to win, so agree on the rule before the draw.
- If you have seeds (last season's results, group positions), give byes to the top seeds first.
- Without seeds, draw lots — but split bye slots between the top and bottom half of the bracket.
- Alternate bye slots with round-one matches so two bye teams don't meet straight away in round two.
When there are too many byes
Just past a power of two — say 9 teams — you'd need 7 byes. A fairer option is a group stage first (three groups of three), then a knockout for the top teams, so everyone plays more than once.
In Leaguely, choose "Knockout" and paste your teams: byes are placed automatically. Draws are settled with a penalty score, and the next round fills in as soon as you enter a result. There's also a "Groups + Knockout" format.
Let the app work out the byes
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